The Color Key node is used to key out a specified color in a connected texture map (figure 2).

Figure 1: Color correction Node


Figure 2: The Color Key node used to key out the red color on a connected texture map

Parameters

    • Input Image - Image to be keyed.
    • Key Color - The color to be keyed.
    • Mask - Garbage matte should be connected here.
    • Fill Color - The color to replace the keyed area.
    • Low/High Cutoff - The low and high cutoff for the color difference.
    • Computation Gamma - Adjusts the color range mid-tones before computing the difference.
    • Projection - Specifies the projection type to be used for this texture.
    • U Cutoff Low/High - Specifies the low and high edge of simple 2D cutoff in the U direction.
    • V Cutoff Low/High - Specifies the low and high edge of simple 2D cutoff in the V direction.